-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

If you’ve never heard the term flashing an ECU before, no, it’s not showing a form of identification or using a photo flash—or any other type of flashing for that matter. Flashing an ECU is tuning or ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...